SAN DIEGO (FOX 5/KUSI) -- As temperatures soar across San Diego County this week, pharmacists are sharing important information about how the heat can alter your medication, specifically those delivered by mail.

"Heat can affect medications and how well they work in the body," said Pharmacist Yasmin Sepehrar with Sharp Reese-Stealy San Diego.

While tablets might be less affected, many injectables contain small proteins that can be totally inactivated by heat.

"Medication that can be most affected by heat are in particular insulin because those are typically refrigerated, so heat can affect how they are stored and inhaler drugs," said Sepehrar.

She says mail order medications are mostly used by the elderly, but growing in popularity due to convenience.

"If the medication is refrigerate

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